Add error message, error code and error link to the UpdateStatus Class

src/main/java/meilisearch/UpdateStatus.java

@@ -1,21 +1,62 @@
 package meilisearch;
+import com.google.gson.Gson;
 
 class StatusType {
 	String name = "";
 	int number = 0;
 }
 
 public class UpdateStatus {
-	String status = "";
-	int updateId = 0;
-	StatusType type = null;
-	float duration = 0.0f;
-	String enqueuedAt = "";
-	String processAt = "";
+	protected String status = "";
+	protected int updateId = 0;
+	protected StatusType type = null;
+	protected float duration = 0.0f;
+	protected String enqueuedAt = "";
+	protected String processedAt = "";
+	protected String errorCode = "";
+	protected String errorType = "";
+	protected String errorLink = "";
+
+	private static Gson gsonUpdate = new Gson();
 
 	@Override
 	public String toString() {
-		// TODO: update format
-		return "Update status:" + status + " / id: " + updateId + " / process-at: " + processAt;
+		return gsonUpdate.toJson(this);
+	}
+
+	public String getStatus() {
+		return this.status;
+	}
+
+	public int getUpdateId() {
+		return this.updateId;
+	}
+
+	public StatusType getStatusType() {
+		return this.type;
+	}
+
+	public float getDuration() {
+		return this.duration;
 	}
+
+	public String getEnqueuedAt() {
+		return this.enqueuedAt;
+	}
+
+	public String getProcessedAt() {
+		return this.processedAt;
+	}
+
+	public String getErrorCode() {
+		return this.errorCode;
+	}
+
+	public String getErrorType() {
+		return this.errorType;
+	}
+
+	public String getErrorLink() {
+		return this.errorLink;
+	}	
 }